3611116997 has 2 divisors, whose sum is σ = 3611116998. Its totient is φ = 3611116996.

The previous prime is 3611116973. The next prime is 3611117017. The reversal of 3611116997 is 7996111163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2610596836 + 1000520161 = 51094^2 + 31631^2 .

It is a cyclic number.

It is not a de Polignac number, because 3611116997 - 2⁸ = 3611116741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3611116937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805558498 + 1805558499.

It is an arithmetic number, because the mean of its divisors is an integer number (1805558499).

Almost surely, 2^3611116997 is an apocalyptic number.

It is an amenable number.

3611116997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611116997 is an equidigital number, since it uses as much as digits as its factorization.

3611116997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 44.

The square root of 3611116997 is about 60092.5702312690. The cubic root of 3611116997 is about 1534.1948472995.

The spelling of 3611116997 in words is "three billion, six hundred eleven million, one hundred sixteen thousand, nine hundred ninety-seven".